diff --git a/editions/prerelease/tiddlers/Release 5.1.14.tid b/editions/prerelease/tiddlers/Release 5.1.14.tid
index 78474520f..7fc5b9183 100644
--- a/editions/prerelease/tiddlers/Release 5.1.14.tid	
+++ b/editions/prerelease/tiddlers/Release 5.1.14.tid	
@@ -13,6 +13,18 @@ type: text/vnd.tiddlywiki
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/22c1b04ee79a5ccc25cbc33cc91bf5daac1df831]] QR code generator plugin
 * [[Added|https://github.com/Jermolene/TiddlyWiki5/commit/7f11c151f06cd039d1887a6940075237ccb4b7a9]] BibTeX importer plugin
 
+!! New "Heavier" Theme
+
+A new theme called "Heavier" thickens TiddlyWiki's default lightweight fonts:
+
+<$button>
+<$action-setfield $tiddler="$:/theme" text="$:/themes/tiddlywiki/heavier"/>
+Try out the "Heavier" theme
+</$button> <$button>
+<$action-setfield $tiddler="$:/theme" text="$:/themes/tiddlywiki/snowwhite"/>
+Revert
+</$button>
+
 !! Performance Improvements
 
 * [[Extended|https://github.com/Jermolene/TiddlyWiki5/commit/989cee50594a76a0f30d1d2124ce9e5e5808c6cf]] search mechanism to require the search string to be a minimum length
diff --git a/editions/prerelease/tiddlers/theme.tid b/editions/prerelease/tiddlers/theme.tid
index 3952c26b3..58690c397 100644
--- a/editions/prerelease/tiddlers/theme.tid
+++ b/editions/prerelease/tiddlers/theme.tid
@@ -1,3 +1,3 @@
 title: $:/theme
 
-$:/themes/tiddlywiki/heavier
\ No newline at end of file
+$:/themes/tiddlywiki/snowwhite
\ No newline at end of file
diff --git a/themes/tiddlywiki/heavier/base.tid b/themes/tiddlywiki/heavier/base.tid
index b563fa255..20f0d59ab 100644
--- a/themes/tiddlywiki/heavier/base.tid
+++ b/themes/tiddlywiki/heavier/base.tid
@@ -3,66 +3,33 @@ tags: [[$:/tags/Stylesheet]]
 
 \rules only filteredtranscludeinline transcludeinline macrodef macrocallinline
 
+html body strong,
+html body button.tc-tiddlylink,
+html body a.tc-tiddlylink,
+html body a.tc-tiddlylink-shadow,
+html body .tc-menu-list-count {
+	font-weight: 700;
+}
+
 html body h1,
 html body h2,
 html body h3,
 html body h4,
 html body h5,
-html body h6 {
-	font-weight: 600;
-}
-
-html body strong {
-	font-weight: 700;
-}
-
-html body .tc-tiddler-frame .tc-tiddler-body {
-	font-weight: 500;
-}
-
-html body button.tc-tiddlylink,
-html body a.tc-tiddlylink {
-	font-weight: 700;
-}
-
-html body a.tc-tiddlylink-shadow {
-	font-weight: 700;
-}
-
-html body a.tc-tiddlylink-shadow.tc-tiddlylink-resolves {
-	font-weight: 500;
-}
-
+html body h6,
+html body a.tc-tiddlylink-shadow.tc-tiddlylink-resolves,
 html body button.tc-tag-label,
-html body span.tc-tag-label {
-	font-weight: 500;
-}
-
-html body .tc-sidebar-header .tc-title a.tc-tiddlylink-resolves {
-	font-weight: 500;
-}
-
-html body .tc-menu-list-count {
-	font-weight: 700;
-}
-
-html body .tc-view-field-name {
-	font-weight: 400;
-}
-
+html body span.tc-tag-label,
+html body .tc-sidebar-header .tc-title a.tc-tiddlylink-resolves,
 html body .tc-site-title,
-html body .tc-titlebar {
-	font-weight: 500;
-}
-
-html body .tc-subtitle {
-	font-weight: 500;
-}
-
-html body .tc-tiddler-missing .tc-title {
-	font-weight: 500;
-}
-
+html body .tc-titlebar,
+html body .tc-subtitle,
+html body .tc-tiddler-missing .tc-title,
 html body .tc-tab-buttons button {
 	font-weight: 500;
 }
+
+html body .tc-view-field-name,
+html body .tc-tiddler-frame .tc-tiddler-body {
+	font-weight: 400;
+}